#### 16.8.1 Understanding pop-up hotspots, links, and topics

In DITA XML, you delimit a pop-up hotspot by applying a dedicated @outputclass to text from which the topic is to be accessed. You provide a link to the pop-up topic with either of the following:

- a cross reference (except for HTML Help) from the hotspot
- a hypertext link inserted in the hotspot.

Do not place any other markers within the hotspot area.

Properties you assign to the hotspot format cause a new window to pop up, displaying the referenced topic, when you click the hotspot.

Except in HTML Help, you define pop-up topics like any other topics; only the way they are displayed makes them different from “normal” topics.

Note: If you are using JavaHelp 2 to view this information, the only active part of the hotspot is an icon that immediately precedes the hotspot text. See §20.8.1.4 Specifying window-access object properties.

Except in HTML Help, pop-up windows can include any formatting.

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Parent Topic: 16.8 Creating pop-up topics for Help systems

Sibling Topics:

16.8.2 Defining a pop-up hotspot

16.8.3 Displaying a topic in a pop-up window